Acoustic Ruler Pro!

[Please also check out my app Sonalarm, the first sleep cycle alarm clock app that works from your bedside table with NO additional hardware ] Wouldnt it be amazing to have a ruler in your pocket all the time? Well now you can Measure distances of up to 25 meters (82 feet) with two devices or up to 1.10 meters with one device and headphones. Customer satisfaction is very important to me.Follow @acoustic_ruler on Twitter to stay up to date with the newest developments, or to report any problems you may have.